function fun()

{ 



   if(!isNaN(document.test.username.value))

  {

   alert("please enter name");

   document.test.username.value="";

   document.test.username.focus();

   return false;

  }  

  if(document.test.username.value=="" )

 {

  alert("Enter Name ");

  document.test.username.focus();

  return false;

 }

  else

 {

  var name=new String(document.test.username.value);

  for(i=0;i<name.length;i++)

 {

  if(!((name.charAt(i)>='a' && name.charAt(i)<='z')||(name.charAt(i)>='A'&& name.charAt(i)<='Z')||(name.charAt(i)==" ")))

 {

  alert("Enter name, word or saying. Letters, -, &, or !. (Call for custom numbers.)");

  document.test.username.focus();

  return false;

 }

 }

 }

 

}



function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}



function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}



function MM_findObj(n, d) { //v4.01

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);

  if(!x && d.getElementById) x=d.getElementById(n); return x;

}



function MM_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)

   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}